(单选题)

What is the author’s purpose in Paragraph 2?

A.Scientists store the seeds of many different crops at seed banks.

B.If seed banks are destroyed, valuable seeds will be lost forever.

C.Scientists want to build a global seed bank.

D.The people who place their seeds in the vault are the only people who can take them out.

参考答案：B

参考解析：

推理判断题。文章第二段讲述了种子银行可能会存在的问题，温暖国家断电、国家遭遇战争、人民损害种子银行等情况都可能使贵重的种子永远消失，结合最后一句“If this happens, valuable seeds can be lost forever!”可知写第2段的目的是讲“如果种子银行被破坏，有价值的种子将永远消失”。故选B。

知识点：阅读理解四选一英语专业基础知识阅读理解教师招聘-小学英语